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Replacement Female Quick Disconnect for Demco Air Force One Flat Tow Brake System

Replacement Female Quick Disconnect for Demco Air Force One Flat Tow Brake System

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Replace the female quick disconnect for your Demco Air Force One supplemental braking system. 1-800-940-8924 to order Demco accessories and parts part number SM99613 or order online at Free expert support on all Demco products. Great prices and Fastest Shipping for Replacement Female Quick Disconnect for Demco Air Force One Flat Tow Brake System. Accessories and Parts reviews from real customers.
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  • Reviews (96)
  • Q & A (0)
  • Videos (1)
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Demco Accessories and Parts

  • Flat Tow Brake System
  • Quick Disconnects
  • Demco

Replace the female quick disconnect for your Demco Air Force One supplemental braking system.


  • Replaces the female quick disconnect for the Demco Air Force One braking system
  • Quantity: 1 replacement disconnect

6229 Replacement Demco SBS (Formerly SMI) Female Quick-Disconnect for Air Force 1 Supplemental Braking System

Replaces Demco SBS SM99613

Item # SM99613

Video of Replacement Female Quick Disconnect for Demco Air Force One Flat Tow Brake System

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Review of Demco Air Force One Replacement Quick Disconnect Fitting - SM99613

Michael: Hi there. I'm Michael with Today, we're going to take a quick look at the female quick disconnect replacement for your Air Force One Supplemental Braking System. This is going to replace the female quick disconnect for your Demco Air Force One Supplemental Braking System. It's going to be very simple to get this installed. Maybe not all that easy.

So this little bead here is going to go on the outside of your air line. And then this inner tube here is going to go inside the air lines. So that's going to . Your air line's going to fit right in between those two pieces there. And that's the hardest part is to get that bead in place, and get your air line on there.

And then you'll just put this on the backside, tighten it down, and that bead is going to help prevent your air line from being pulled out. And then your other side is just your quick disconnect, like you're used to.So, if you are needing a replacement female quick disconnect for your Air Force One, this is an exact replacement from Demco. So you don't have to worry about fit or compatibility issues or anything like that. It's going to work just like the original did, and it should be pretty simple to get installed. It may just take you a few minutes to get everything threaded on and in place as it needs to be.

But overall, definitely something a do-it-yourselfer could do at home to make sure that your Air Force One system is operational again. So that's going to complete our look for today. Again, I'm Michael with Thanks for watching.

Customer Satisfaction Score:

Customer Reviews

Replacement Female Quick Disconnect for Demco Air Force One Flat Tow Brake System - SM99613

Average Customer Rating:  5.0 out of 5 stars   (96 Customer Reviews)

Replace the female quick disconnect for your Demco Air Force One supplemental braking system.


I was impressed with the quality of the replacement female disconnect (SM99613) for the SMI Air Force One Supplemental Braking System.

The part was installed to replace the damaged female disconnect on the air jumper. It will restore the separate braking ability of the “toad” vehicle being pulled by our motorhome which is a safety factor.

Finally, the Customer Service Specialist was outstanding and delivery was fast.

See attached “after” installation picture.





Like always, product worked great! I like shopping online with etrailer because they have videos & great phone support should I have any questions.


Still works


Quick delivery as promised


Fast service with delivery ahead of sch edule.


Replace the quick disconnect on the airline. I turned the ferrule nut hand tight and then wrench tight one turn. Tested at 25 psi. Had a small leak, turned nut 1/4 more. No leak. Happy with the purchase.


Easy to buy

Easy to install

to use


Good transaction. Thx.


Exactly what I needed. Very durable.


Etrailer is the only supplier I have found that provides components and parts for the Blue Ox tow bar systems and the Air Force One braking system. When you order online you get immediate feedback from the staff that your order is received and you get updates on the status of orders/back orders.

You will not find a more professional, friendly, and responsive company. Great products, great service, and great selection and online details.

They are a pleasure to do business!

Ron K.


Parts are still working flawlessly!


Looks to be excellent quality. Not yet installed.


I needed to order a quick-connect replacement as the existing one came disconnected from my tow vehicle and got dragged across the state. An easy fix indeed!! Eric was great in identifying the right replacement and getting it expedited to our campground.


After about a year, it still works great at almost half the factory replacement cost.


Easy to order and got quick


This replacement female coupler is supplied by SMI, the manufacture of the Air Force One braking system. It is identical to the original female quick connect on the jumper and is also supplied for the motorhome end. I needed to replace the quick connect end of the jumper because it somehow released from the male end on the toad, and wore itself down to a nub as it dragged along the highway. By design, the Parker Rectus RF-25 quick disconnect isn't supposed to release once engaged. I unscrewed the worn piece and screwed on the new coupler - good as new. Be sure to pull test the connection and confirm that the system engages the brake before embarking on your trip.


WoW! You guys have all of the hard to find fittings! I looked all over for a part to my Air force One braking system for our R.V., when my brother suggested "etrailer on line." I had my parts in hand with-in 48 hours, and they are the exact parts I damaged! We are so thankful!!!!
Thank you, Mike


The product was as described. After I had received the product I was able to find it cheaper from another vendor. I contacted etrailer showing them the documentation. As promised they refunded me the difference at 110%. They were true to their word with the LOWEST PRICE PLEDGE. The account was credited as soon as they had verified the difference in price. The process was extremely easy. I would highly recommend this company.


The product came as ordered and when expected, the ordering process was very easy and I got confirmation of the order right away as well as shipping details.

I ordered this as a replacement for my original air hose for the braking system after it had popped off and was drug on the ground. I obviously had not locked the collar in all the way when I hooked up, my bad!

I ordered several other products at the same time and was happy to get them all at the same time. Everything was securely packaged, I will order from etrailer again, and so should you.


Hey, i called on the Forth of July weekend desperately in need of the subject coupler for the Airforce 1 airline on my tow… bingo, the phone was answered!, the item was in stock!, my order was taken and the item sent to UPS air the first business morning and I received it in time not to delay my trip… Now that’s what I call SERVICE….
Thanks you Paul and your whole organization..!!


I had wonderful experience with ordering from these folks. I needed an air brake coupler to connect from my coach to my toad. Could not continue our travels without the new part. They shipped quickly had us back on the road. Would not hesitate to order products from them if/when the need arises in the future.


Perfect replacement for airforce 1 brake


My Supplemental air hose was damaged on a trip. Wanted one quickly. Hally C. Was outstanding - She got the order input and it was shipped the same day so that I could safely get back on the road. Great Service. Of course the part is as advertised. I also got the replacement connector so now I have a spare.


Etrailer was the only place I found to carry these parts. When you need them etrailer came through like champs.


was delivered today was a perfict fit


I called for help with my order. The person was very helpful, she went and got the complete kit and checked checked to be sure the part I ordered was the correct replacement part. I would definitely order from them again.

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Info for this part was:

Employee Jameson C
Expert Research:
Jameson C
Employee Laura H
Written by:
Laura H
Employee Wilson B
Updated by:
Wilson B
Employee Kristina F
Updated by:
Kristina F
Employee Amanda K
Updated by:
Amanda K
Employee Michael B
Installed by:
Michael B

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